The Black Book: Seven Deadly Sins - Chapter 3: Curiosity Killed the Cat

Thirty-three classmates hold a reunion after graduating. Tensions soar and old friendships are tested, as a strange turn of events lead them to follow the path of the ancient gods.

The Gura Gura no Mi is known as the strongest fruit in the world of one piece.

What would you do if you found yourself trapped in a world of a game?Would you panic?Rejoice?Just give up?This is a conundrum I found myself in after waking up in an unfamiliar bed, in an unfamiliar room, with no clue of how I got there.Magic powers?I had none of those…A cheat-like system?Nowhere to be found.All I possessed was a single skill that seemed meager at best…[ Shadow Manipulation ]

Traveling to the wizarding world, Eli found that he was an Eternal.

Life is infinite, life is immortal.

“What? The talent is very poor, then I will meditate for ten years, centuries, and thousands of years, and I can always meet the promotion requirements.”

“This skill is hard? Oh, let me study it for decades to see if it’s really that hard?”

“Consuming life force, improving mental force, and this kind of good thing.”

“The enemy is here? Oh, let me find a place to hide for a thousand years, until his lifespan is exhausted and his mental power dissipates, and then I will come out again, free and endless void.”

…

This is the story of an immortal who lives in the wizarding world and then kills the endless world.

- Description from novelbuddy